AndroidAntivirus

Open Source Android Antivirus Apps

Hypatia

Hypatia is the worlds first FOSS malware scanner for Android. It is powered by ClamAV style signature databases.

Features

    • Near zero battery impact: you’ll never notice any impact on battery at all.
    • Extremely fast: it can scan small files (1MB) in 20ms, and even large files (40MB) in 1000ms.
    • Memory efficient: with the default databases enabled it uses under 120MB.
    • Regular scan: allowing selection of /system, internal storage, external storage, and installed apps.
    • Completely offline: Internet is only used to download signature databases, files will never ever leave your device.
    • Persistence: will automatically restart on boot/update.
    • Tiny codebase: coming in at under 1000 sloc, it can be audited by even someone with basic programming experience.
    • Minimal dependencies: the app only uses libraries when necessary.
    • Signature databases can be enabled/disabled at the users demand.
    • Signature databases are ClamAV .hdb (MD5 hashes) and .hsb (SHA-1/SHA-256) format
    • Signature databases will not be redownloaded if the file hasn’t changed on the server (304 not modified)
    • Signatures are stored using HashMaps for O(1) lookup
    • Files have their MD5/SHA-1/SHA-256 hashes calculated in one pass
    • Realtime scanner is multithreaded and will use half of the device’s core count for scanning multiple files asynchronously
    • Realtime scanning powered by a recursive FileObserver
    • Network connections will be made to the following: https://divested.dev/MalwareScannerSignatures/*.h*b.gz

Source Code:

The source code is available at the following GitHub repository:

https://github.com/Divested-Mobile/hypatia

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LibreAV

A free and open-source anti-malware using machine learning in an attempt to detect malware in Android devices.
Features
  • Real time scan – Automatically scan new app installations
  • On device inference – Zero network traffic
  • Open-source – The source code is distributed under GNU GPLv3
  • Lightweight antivirus – Do not consume too much resources
  • 100% free and No ads – We do not charge any fee or sell ads

Source Code:

The source code is available at the following GitHub repository:

https://github.com/projectmatris/antimalwareapp

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Robot artwork by JJ ADX

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